<template>
  <container-item-wrapper :widget="widget">

    <div :key="widget.id" class="tab-container"
         v-show="!widget.options.hidden">
      <el-tabs v-model="activeTabName" :type="widget.displayType" :ref="widget.id" :class="[customClass]">
        <el-tab-pane v-for="(tab, index) in visibleTabs" :key="index" :label="tab.options.label"
                     :disabled="tab.options.disabled" :name="tab.options.name">
          <template v-for="(subWidget, swIdx) in tab.widgetList">
            <template v-if="'container' === subWidget.category">
              <component :is="getComponentByContainer(subWidget)" :widget="subWidget" :key="swIdx"
                         :parent-list="tab.widgetList"
                         :index-of-parent-list="swIdx" :parent-widget="widget">
                <!-- 递归传递插槽！！！ -->
                <template v-for="slot in Object.keys($slots)" v-slot:[slot]="scope">
                  <slot :name="slot" v-bind="scope"/>
                </template>
              </component>
            </template>
            <template v-else>
              <component :is="subWidget.type + '-widget'" :field="subWidget" :key="swIdx" :parent-list="tab.widgetList"
                         :index-of-parent-list="swIdx" :parent-widget="widget">
                <!-- 递归传递插槽！！！ -->
                <template v-for="slot in Object.keys($slots)" v-slot:[slot]="scope">
                  <slot :name="slot" v-bind="scope"/>
                </template>
              </component>
            </template>
          </template>
        </el-tab-pane>
      </el-tabs>
    </div>

  </container-item-wrapper>
</template>

<script>
import emitter from "@/utils/designer/emitter";
import i18n from "@/utils/vue-i18n/i18n";
import refMixin from "../refMixin"
import ContainerItemWrapper from './container-item-wrapper.vue'
import containerItemMixin from "../containerItemMixin";
import FieldComponents from '@/scenes/templateDetails/modules/homeMiddle/form-widget/field-widget/index';

export default {
  name: "tab-item",
  componentName: 'ContainerItem',
  mixins: [emitter, i18n, refMixin, containerItemMixin],
  components: {
    ContainerItemWrapper,
    ...FieldComponents,
  },
  props: {
    widget: Object,
  },
  inject: ['refList', 'sfRefList', 'globalModel'],
  data() {
    return {
      activeTabName: '',
    }
  },
  computed: {
    visibleTabs() {
      return this.widget.tabs.filter(tp => {
        return !tp.options.hidden
      })
    },

  },
  created() {
    this.initRefList()
  },
  mounted() {
    this.initActiveTab()
  },
  beforeUnmount() {
    this.unregisterFromRefList()
  },
  methods: {
    initActiveTab() {
      if ((this.widget.type === 'tab') && (this.widget.tabs.length > 0)) {
        let activePanes = this.widget.tabs.filter((tp) => {
          return tp.options.active === true
        })
        if (activePanes.length > 0) {
          this.activeTabName = activePanes[0].options.name
        } else {
          this.activeTabName = this.widget.tabs[0].options.name
        }
      }
    },

  },
}
</script>
